src/vc-backend.C

   1 #include <config.h>
   2
   3 #ifdef __GNUG__
   4 #pragma implementation
   5 #endif
   6
   7 #include <fstream>
   8
   9 #include "vc-backend.h"
  10 #include "debug.h"
  11 #include "support/FileInfo.h"
  12 #include "support/LRegex.h"
  13 #include "support/LSubstring.h"
  14 #include "support/path.h"
  15 #include "support/filetools.h"
  16 #include "buffer.h"
  17 #include "LyXView.h"
  18 #include "lyxfunc.h"
  19
  20 using std::endl;
  21 using std::ifstream;
  22 using std::getline;
  23
  24 int VCS::doVCCommand(string const & cmd, string const & path)
  25 {
  26         lyxerr[Debug::LYXVC] << "doVCCommand: " << cmd << endl;
  27         Systemcalls one;
  28         Path p(path);
  29         int const ret = one.startscript(Systemcalls::System, cmd);
  30         return ret;
  31 }
  32
  33
  34 RCS::RCS(string const & m)
  35 {
  36         master_ = m;
  37         scanMaster();
  38 }
  39
  40
  41 string const RCS::find_file(string const & file)
  42 {
  43         string tmp(file);
  44         // Check if *,v exists.
  45         tmp += ",v";
  46         FileInfo f;
  47         lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  48                              << tmp << endl;
  49         if (f.newFile(tmp).readable()) {
  50                 lyxerr[Debug::LYXVC] << "Yes " << file
  51                                      << " is under rcs." << endl;
  52                 return tmp;
  53         } else {
  54                 // Check if RCS/*,v exists.
  55                 tmp = AddName(AddPath(OnlyPath(file), "RCS"), file);
  56                 tmp += ",v";
  57                 lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  58                                      << tmp << endl;
  59                 if (f.newFile(tmp).readable()) {
  60                         lyxerr[Debug::LYXVC] << "Yes " << file
  61                                              << " it is under rcs."<< endl;
  62                         return tmp;
  63                 }
  64         }
  65         return string();
  66 }
  67
  68
  69 void RCS::retrive(string const & file)
  70 {
  71         lyxerr[Debug::LYXVC] << "LyXVC::RCS: retrive.\n\t" << file << endl;
  72         VCS::doVCCommand("co -q -r \""
  73                          + file + "\"",
  74                          string());
  75 }
  76
  77
  78 void RCS::scanMaster()
  79 {
  80         lyxerr[Debug::LYXVC] << "LyXVC::RCS: scanMaster." << endl;
  81
  82         ifstream ifs(master_.c_str());
  83
  84         string token;
  85         bool read_enough = false;
  86
  87         while (!read_enough && ifs >> token) {
  88                 lyxerr[Debug::LYXVC]
  89                         << "LyXVC::scanMaster: current lex text: `"
  90                         << token << "'" << endl;
  91
  92                 if (token.empty())
  93                         continue;
  94                 else if (token == "head") {
  95                         // get version here
  96                         string tmv;
  97                         ifs >> tmv;
  98                         tmv = strip(tmv, ';');
  99                         version_ = tmv;
 100                         lyxerr[Debug::LYXVC] << "LyXVC: version found to be "
 101                                              << tmv << endl;
 102                 } else if (contains(token, "access")
 103                            || contains(token, "symbols")
 104                            || contains(token, "strict")) {
 105                         // nothing
 106                 } else if (contains(token, "locks")) {
 107                         // get locker here
 108                         if (contains(token, ";")) {
 109                                 locker_ = "Unlocked";
 110                                 vcstatus = UNLOCKED;
 111                                 continue;
 112                         }
 113                         string tmpt, s1, s2;
 114                         do {
 115                                 ifs >> tmpt;
 116                                 s1 = strip(tmpt, ';');
 117                                 // tmp is now in the format <user>:<version>
 118                                 s1 = split(s1, s2, ':');
 119                                 // s2 is user, and s1 is version
 120                                 if (s1 == version_) {
 121                                         locker_ = s2;
 122                                         vcstatus = LOCKED;
 123                                         break;
 124                                 }
 125                         } while (!contains(tmpt, ";"));
 126
 127                 } else if (token == "comment") {
 128                         // we don't need to read any further than this.
 129                         read_enough = true;
 130                 } else {
 131                         // unexpected
 132                         lyxerr[Debug::LYXVC]
 133                                 << "LyXVC::scanMaster(): unexpected token"
 134                                 << endl;
 135                 }
 136         }
 137         version_ = "RCS: " + version_;
 138 }
 139
 140
 141 void RCS::registrer(string const & msg)
 142 {
 143         string cmd = "ci -q -u -i -t-\"";
 144         cmd += msg;
 145         cmd += "\" \"";
 146         cmd += OnlyFilename(owner_->fileName());
 147         cmd += "\"";
 148         doVCCommand(cmd, owner_->filepath);
 149         owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 150 }
 151
 152
 153 void RCS::checkIn(string const & msg)
 154 {
 155         doVCCommand("ci -q -u -m\"" + msg + "\" \""
 156                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 157         owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 158 }
 159
 160
 161 void RCS::checkOut()
 162 {
 163         owner_->markLyxClean();
 164         doVCCommand("co -q -l \""
 165                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 166         owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 167 }
 168
 169
 170 void RCS::revert()
 171 {
 172         doVCCommand("co -f -u" + version() + " \""
 173                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 174         // We ignore changes and just reload!
 175         owner_->markLyxClean();
 176         owner_->getUser()->owner()
 177                 ->getLyXFunc()->Dispatch("buffer-reload");
 178 }
 179
 180
 181 void RCS::undoLast()
 182 {
 183         lyxerr[Debug::LYXVC] << "LyXVC: undoLast" << endl;
 184         doVCCommand("rcs -o" + version() + " \""
 185                     + OnlyFilename(owner_->fileName()) + "\"",
 186                     owner_->filepath);
 187 }
 188
 189
 190 void RCS::getLog(string const & tmpf)
 191 {
 192         doVCCommand("rlog \""
 193                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf, owner_->filepath);
 194 }
 195
 196
 197 CVS::CVS(string const & m, string const & f)
 198 {
 199         master_ = m;
 200         file_ = f;
 201         scanMaster();
 202 }
 203
 204
 205 string const CVS::find_file(string const & file)
 206 {
 207         // First we look for the CVS/Entries in the same dir
 208         // where we have file.
 209         string const dir = OnlyPath(file) + "/CVS/Entries";
 210         string const tmpf = "/" + OnlyFilename(file) + "/";
 211         lyxerr[Debug::LYXVC] << "LyXVC: checking in `" << dir
 212                              << "' for `" << tmpf << "'" << endl;
 213         FileInfo const f(dir);
 214         if (f.readable()) {
 215                 // Ok we are at least in a CVS dir. Parse the CVS/Entries
 216                 // and see if we can find this file. We do a fast and
 217                 // dirty parse here.
 218                 ifstream ifs(dir.c_str());
 219                 string line;
 220                 while (getline(ifs, line)) {
 221                         lyxerr[Debug::LYXVC] << "\tEntries: " << line << endl;
 222                         if (contains(line, tmpf)) return dir;
 223                 }
 224         }
 225         return string();
 226 }
 227
 228
 229 void CVS::scanMaster()
 230 {
 231         lyxerr[Debug::LYXVC] << "LyXVC::CVS: scanMaster. \n     Checking: "
 232                              << master_ << endl;
 233         // Ok now we do the real scan...
 234         ifstream ifs(master_.c_str());
 235         string tmpf = "/" + OnlyFilename(file_) + "/";
 236         lyxerr[Debug::LYXVC] << "\tlooking for `" << tmpf << "'" << endl;
 237         string line;
 238         LRegex reg("/(.*)/(.*)/(.*)/(.*)/(.*)");
 239         while(getline(ifs, line)) {
 240                 lyxerr[Debug::LYXVC] << "\t  line: " << line << endl;
 241                 if (contains(line, tmpf)) {
 242                         // Ok extract the fields.
 243                         LRegex::SubMatches const & sm = reg.exec(line);
 244                         //sm[0]; // whole matched string
 245                         //sm[1]; // filename
 246                         version_ = "CVS: ";
 247                         version_ += LSubstring(line, sm[2].first,
 248                                               sm[2].second);
 249                         string file_date = LSubstring(line, sm[3].first,
 250                                                       sm[3].second);
 251                         //sm[4]; // options
 252                         //sm[5]; // tag or tagdate
 253                         FileInfo fi(file_);
 254                         time_t mod = fi.getModificationTime();
 255                         string mod_date = strip(asctime(gmtime(&mod)), '\n');
 256                         lyxerr[Debug::LYXVC]
 257                                 <<  "Date in Entries: `" << file_date
 258                                 << "'\nModification date of file: `"
 259                                 << mod_date << "'" << endl;
 260                         if (file_date == mod_date) {
 261                                 locker_ = "Unlocked";
 262                                 vcstatus = UNLOCKED;
 263                         } else {
 264                                 // Here we should also to some more checking
 265                                 // to see if there are conflicts or not.
 266                                 locker_ = "Locked";
 267                                 vcstatus = LOCKED;
 268                         }
 269                         break;
 270                 }
 271         }
 272 }
 273
 274
 275 void CVS::registrer(string const & msg)
 276 {
 277         doVCCommand("cvs -q add -m \"" + msg + "\" \""
 278                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 279         owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 280 }
 281
 282
 283 void CVS::checkIn(string const & msg)
 284 {
 285         doVCCommand("cvs -q commit -m \"" + msg + "\" \""
 286                     + OnlyFilename(owner_->fileName()) + "\"",
 287                     owner_->filepath);
 288         owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 289 }
 290
 291
 292 void CVS::checkOut()
 293 {
 294         // cvs update or perhaps for cvs this should be a noop
 295         lyxerr << "Sorry not implemented." << endl;
 296 }
 297
 298
 299 void CVS::revert()
 300 {
 301         // Reverts to the version in CVS repository and
 302         // gets the updated version from the repository.
 303         string const fil = OnlyFilename(owner_->fileName());
 304
 305         doVCCommand("rm -f \"" + fil + "\"; cvs update \"" + fil + "\"",
 306                     owner_->filepath);
 307         owner_->markLyxClean();
 308         owner_->getUser()->owner()
 309                 ->getLyXFunc()->Dispatch("buffer-reload");
 310 }
 311
 312
 313 void CVS::undoLast()
 314 {
 315         // merge the current with the previous version
 316         // in a reverse patch kind of way, so that the
 317         // result is to revert the last changes.
 318         lyxerr << "Sorry not implemented." << endl;
 319 }
 320
 321
 322 void CVS::getLog(string const & tmpf)
 323 {
 324         doVCCommand("cvs log \""
 325                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf,
 326                     owner_->filepath);
 327 }